When to plant in Farmington, NM
USDA Zone 7aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Farmington, New Mexico — all computed from Farmington's nearest NOAA weather station.
Zone 7a means many perennials and even some tender shrubs overwinter in Farmington, while your frost dates still decide when annuals go out.
Frost probability
FARMINGTON RGNL AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Farmington’s own odds, recorded at FARMINGTON RGNL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 3 | May 18 | May 3 | Sep 22 | Oct 4 | Oct 17 |
| 32°F | May 18 | May 2 | Apr 20 | Sep 29 | Oct 13 | Oct 25 |
| 28°F | May 4 | Apr 20 | Apr 5 | Oct 6 | Oct 22 | Nov 5 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Farmington, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 15 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Farmington planting FAQ
When is the last spring frost in Farmington, NM?
Plan for the last spring frost in Farmington around May 2 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Farmington, NM?
In Farmington, the first 32°F freeze of fall lands around October 13 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Farmington in?
Farmington is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Farmington?
There are roughly 164 frost-free days in Farmington (a moderate growing season), running from the average last frost around May 2 to the first fall frost near October 13.
When should I plant tomatoes in Farmington?
In Farmington, start tomato seeds indoors around March 7–March 21, then transplant seedlings outdoors around May 9 once the danger of frost has passed.
Never miss a window in Farmington
An email when it’s time to start seeds, transplant, and sow — timed to Farmington’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Durango · 63 km
- Gallup · 147 km
- Montrose · 193 km
- Los Alamos · 194 km
- Española · 207 km
- Rio Rancho · 211 km
- North Valley · 225 km
- Albuquerque · 230 km
Frost dates recorded at FARMINGTON RGNL AP, 4 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Farmington, NM — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023090. Retrieved from https://blissgarden.com/new-mexico/farmington.